Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.117.1087 Fox River

(a) The draws of the Canadian National Bridge, mile 1.03, Main Street Bridge, mile 1.58, Walnut Street Bridge, mile 1.81, Mason Street (Tilleman Memorial) Bridge, mile 2.27, and Canadian National Bridge, mile 3.31, all at Green Bay, shall open as follows:

(b) All drawbridges between mile 7.13 in DePere and mile 58.3 in Oshkosh, except the Canadian National Bridge at mile 55.72, shall open as follows:

(c) The draw of the Canadian National Bridge at mile 55.72 shall open on signal, except from October 8 through April 26;  the draw shall open if at least 12–hours advance notice is given.

(c) The draw of the Canadian National Railroad Bridge at mile 55.72 shall open on signal, except from October 8 through April 26;  the draw shall open if at least 12–hours advance notice is given. The bridge is authorized to be operated remotely. The owners of the bridge shall provide and keep in good legible condition two board gauges painted white with black figures to indicate the vertical clearance under the closed draw at all water levels. The gauges shall be so placed on the bridge that they are plainly visible to operators of vessels approaching the bridge either up or downstream. The bridge shall operate and maintain a VHF–FM Marine Radio. In addition to the required bridge lights, the owner's shall install and maintain alternating red lights in a horizontal line that mimic grade crossing lights and bell to warn mariners that the bridge is lowering.

(d) The draw of each bridge at or between Berlin and Portage need not open for the passage of vessels.